Find the row index that has the maximum number of 1s in a boolean 2D matrix.

Difficulty: Medium

Phase: 6 · Mixed Logical Challenges

XP Reward: 20 XP

Topics: Mixed Logical Challenges, Medium

Supported Languages: Python, JavaScript, C, C++, Java

Problem Description

Given R and C followed by boolean matrix (0s and 1s), find 0-based row index with maximum number of 1s. Input Format: Read input from standard input (stdin). Output Format: Print the result to standard output (stdout).

Constraints

-10^9 <= N <= 10^9

Examples

Example 1

Input: 3 4 0 1 1 1 0 0 1 1 1 1 1 1

Output: 2

Explanation: Sample execution for input 3 4 0 1 1 1 0 0 1 1 1 1 1 1